Spot Forecast
Issued by NWS Portland, OR

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821
FNUS76 KPQR 060451
FWSPQR

Spot Forecast for Camas TS Unit 33a...Willamette National Forest
National Weather Service Portland OR
951 PM PDT Sun Oct 5 2025

Forecast is based on ignition time of 1100 PDT on October 06.
If conditions become unrepresentative, contact the National Weather
Service.

.DISCUSSION...Expect dry conditions and easterly flow to persist
Monday through Tuesday morning with breezy conditions at times,
especially at ridgetop level. These winds combined with afternoon
RHs in the upper 20s to 30s will facilitate elevated fire weather
conditions. Monday night features poor RH recoveries at ridgetop
level as well as the strongest easterly winds during this two day
period. Expect a switch back to lighter westerly winds early
Tuesday afternoon.

.MONDAY...

Sky/weather.........Sunny.
Max temperature.....65-70.
Min humidity........29-34 percent.
Wind (20 ft)........
 Slope/valley.......East winds 5 to 9 mph with gusts up to 16 mph.
 Ridgetop...........East winds 9 to 17 mph with gusts up to 28 mph.
Mixing height.......3200 ft AGL.
Transport winds.....East 16 to 18 mph.

TIME (PDT)      11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........0   0   2   2   1   1   5
Weather cov.....
Weather type....
Tstm cov........
Temp............59  62  66  67  68  69  67
RH..............45  41  38  35  34  34  36
20 FT wind dir..E   E   E   E   E   E   E
20 FT wind spd..9   9   9   8   8   8   8
20 FT wind gust.16  15  14  13  13  13  13
Mix hgt (kft)...2.2 2.6 2.9 3.2 3.0 2.9 2.2
Transp wind dir.E   E   E   E   E   E   E
Transp wind spd.18  17  17  17  16  17  16

.MONDAY NIGHT...

Sky/weather.........Clear.
Min temperature.....47-52.
Max humidity........50-55 percent valleys, 35-40 percent ridgetops.
Wind (20 ft)........
 Slope/valley.......East winds 5 to 12 mph. Gusts up to 21 mph.
 Ridgetop...........East winds 10 to 18 mph with gusts up to 32 mph.
Mixing height.......500 ft AGL.
Transport winds.....East 13 to 18 mph.

TIME (PDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........5   5   4   4   4   2   2   2   1   1   1   2
Weather cov.....
Weather type....
Tstm cov........
Temp............65  62  58  56  55  54  53  53  52  51  50  49
RH..............40  44  48  50  50  49  49  49  49  49  50  50
20 FT wind dir..E   E   E   E   E   E   E   E   E   E   E   E
20 FT wind spd..8   8   12  12  12  13  13  13  9   9   9   7
20 FT wind gust.13  13  19  19  19  21  21  21  14  14  14  11
Mix hgt (kft)...1.3 0.7 0.6 0.6 0.6 0.5 0.5 0.5 0.5 0.5 0.5 0.5
Transp wind dir.E   E   E   E   E   E   E   SE  SE  SE  SE  SE
Transp wind spd.16  15  15  16  17  18  17  16  14  14  13  13

.TUESDAY...

Sky/weather.........Sunny.
Max temperature.....68-73.
Min humidity........28-33 percent.
Wind (20 ft)........
 Slope/valley.......East winds 3 to 7 mph in the morning becoming
                    light early afternoon, then becoming west around
3 to 7 mph late in the afternoon.
 Ridgetop...........Southeast winds 8 to 15 mph  with gusts up to 26 mph
in the morning becoming south around 5 mph early
afternoon. West winds 5 to 10 mph late in the afternoon.
Mixing height.......4400 ft AGL.
Transport winds.....Southeast 8 to 12 mph shifting to the southwest
                    5 to 6 mph late in the morning, then shifting
                    to the west 7 to 8 mph late in the afternoon.

TIME (PDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........2   2   3   3   3   1   1   1   1   1   1   1
Weather cov.....
Weather type....
Tstm cov........
Temp............48  48  47  52  57  62  65  68  71  70  70  69
RH..............52  54  56  51  47  42  39  37  34  36  37  39
20 FT wind dir..E   E   E   E   SE  SE  SE  SE  W   W   W   W
20 FT wind spd..7   7   6   6   6   4   4   4   5   5   5   4
20 FT wind gust.11  11  10  10  10  5   5   5   6   6   6   6
Mix hgt (kft)...0.4 0.3 0.4 0.9 1.6 2.4 3.3 4.0 4.4 4.1 3.4 2.6
Transp wind dir.SE  E   E   SE  S   S   SW  SW  W   W   W   W
Transp wind spd.12  10  9   8   8   5   5   6   7   8   8   8

$$
Forecaster...Schuldt
Requested by...Gregory Ver
Type of request...PRESCRIBED
.TAG 2523002.0/PQR
.DELDT 10/05/25
.FormatterVersion 2.0.0
.EMAIL gregory.ver@usda.gov